212069933 has 2 divisors, whose sum is σ = 212069934. Its totient is φ = 212069932.

The previous prime is 212069929. The next prime is 212069947. The reversal of 212069933 is 339960212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203290564 + 8779369 = 14258^2 + 2963^2 .

It is a cyclic number.

It is not a de Polignac number, because 212069933 - 2² = 212069929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212069893 and 212069902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212069993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106034966 + 106034967.

It is an arithmetic number, because the mean of its divisors is an integer number (106034967).

Almost surely, 2^212069933 is an apocalyptic number.

It is an amenable number.

212069933 is a deficient number, since it is larger than the sum of its proper divisors (1).

212069933 is an equidigital number, since it uses as much as digits as its factorization.

212069933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 212069933 is about 14562.6210896253. The cubic root of 212069933 is about 596.3387533044.

The spelling of 212069933 in words is "two hundred twelve million, sixty-nine thousand, nine hundred thirty-three".